| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Risun | China national standards | MT | 1122.85 | USD | 20260610 |
| Tangshan Risun | China national standards | MT | 1122.57 | USD | 20260609 |
| Tangshan Risun | China national standards | MT | 1129.07 | USD | 20260608 |
| Tangshan Risun | China national standards | MT | 1129.74 | USD | 20260605 |
| Tangshan Risun | China national standards | MT | 1143.64 | USD | 20260604 |
| Tangshan Risun | China national standards | MT | 1158.63 | USD | 20260603 |
| Tangshan Risun | China national standards | MT | USD | 20260602 | |
| Tangshan Risun | China national standards | MT | USD | 20260601 | |
| Tangshan Risun | China national standards | MT | USD | 20260529 | |
| Tangshan Risun | China national standards | MT | USD | 20260528 |